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Thunderf00t debunks the Fontus self-filling water bottle, arguing that pulling meaningful amounts of water from air with a small solar-powered device is thermodynamically impractical.

Adam Savage answers viewer questions on dealing with condescending colleagues, focusing on dismissive phrases such as 'why don't you just' and 'I would have'. He explains why such language undermines the person receiving it.

Essential Craftsman follows up on his earlier video about a DIY approach to sleep apnea. It centers on forcing nose breathing during sleep with mouth taping and nasal strips, and says to seek medical guidance.

John Oliver's Last Week Tonight segment on civil asset forfeiture, the process by which police can seize property they suspect is tied to crime. It explains how the property itself is put on trial and how departments profit.

Not Just Bikes argues that North American transit struggles to attract riders because of the land use around it, not the transit itself. It uses examples such as a London, Ontario line with unreachable stations.

Tom Scott's correction video on his earlier claim that 18th-century insurance firefighters let uninsured buildings burn. After a historian looked into it, he concludes the story was wrong and explains how the error happened.